Fastening mechanism of track rod locking and retaining nut

Disclosed is a fastening mechanism of a track rod locking and retaining nut, which is a fastening element used together with a railway track rod and is composed of a locknut with a split skirt and a retaining washer with lock fins and retaining fins. The fastening element is disposed on the outer side of a track rod clamp head, the lock fins of the retaining washer are bent and extruded onto the clamp head to prevent the retaining washer from rotating freely, simultaneously, one of the retaining fins arranged on the retaining washer and corresponding to an opening on the skirt of the nut is further bent to be imbedded inside the square opening on the locknut skirt, thereby loosening or unscrewing of the nut is prevented, stabilizing the railway gage by the track rod is functioned, and traffic safety is ensured.